... effective plate number 有用板数 efficiency of column 柱效 electron capture detector 电子捕捉检验测定器 ...
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The results indicated that the efficiency of column 2 with 30 theoretical plates was more excellent than that of column 1 with 20 theoretical plates.
结果表明精馏塔2（理论塔板数为30）的精馏效果远优于精馏塔1（理论塔板数为20）。
Finally, a method for calculating the efficiency of practical packed column is given.
本文提供了一种计算真实填料塔效率的方法。
The determination of nitrate content in foods by deoxidization with cadmium is improved. The effecting factors on deoxidization efficiency of cadmium column are studied.
对镉还原测定食品中硝酸盐的方法进行了改进，研究了影响镉柱还原效率的因素。
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